>>510009512
If you're never been to vienna at least go look at it on google maps burgerlander.
This is the largest "Gemeindebau" in Vienna and yes those are swimming pools at the roofs.
>>510009469
There's also "Genossenschaftswohnungen" which you have to pay are refundable one time deposit which generally have less poor immigrants living in them. I live in one and I pay less """rent""" than muricans pay hoa fees.